public string GetInfo(ExtractorInfoType type)
{
var process = FFprobe.GetProcess();
switch (type)
{
case ExtractorInfoType.AudioCodec:
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.AudioCodec);
break;
case ExtractorInfoType.VideoCodec:
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoCodec);
break;
case ExtractorInfoType.Bitrate:
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoBitrate);
break;
case ExtractorInfoType.Dimension:
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoDimension);
break;
case ExtractorInfoType.Duration:
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoDuration);
break;
case ExtractorInfoType.Framerate:
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoFramerate);
break;
}
var data = GetProcessOutput(process);
return(data);
}
public void Cleanup()
{
_probe = null;
_vp?.Dispose();
_vp = null;
}
public void Prepare(string path, ContextObject context)
{
_context = context;
var def = new Size(500, 300);
probe = probe ?? new FFprobe(path);
if (!probe.HasVideo())
{
context.CanResize = false;
context.TitlebarAutoHide = false;
context.TitlebarBlurVisibility = false;
context.TitlebarColourVisibility = false;
}
else
{
context.TitlebarAutoHide = true;
context.UseDarkTheme = true;
context.CanResize = true;
context.TitlebarAutoHide = true;
context.TitlebarBlurVisibility = true;
context.TitlebarColourVisibility = true;
}
var windowSize = probe.GetViewSize() == Size.Empty ? def : probe.GetViewSize();
windowSize.Width = Math.Max(def.Width, windowSize.Width);
windowSize.Height = Math.Max(def.Height, windowSize.Height);
context.SetPreferredSizeFit(windowSize, 0.6);
context.TitlebarOverlap = true;
}
public string GetAudioCodec()
{
var process = FFprobe.GetProcess();
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.AudioCodec);
var codec = GetProcessOutput(process);
return(codec);
}
public string GetVideoDimension()
{
var ffprobeProcess = FFprobe.GetProcess();
ffprobeProcess.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoDimension);
var dimension = GetProcessOutput(ffprobeProcess);
return(dimension);
}
public TimeSpan GetVideoDuration()
{
var process = FFprobe.GetProcess();
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoDuration);
var output = GetProcessOutput(process);
var duration = ConvertToTimeSpan(output);
return(duration);
}
public double GetVideoFramerate()
{
var process = FFprobe.GetProcess();
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoFramerate);
var output = GetProcessOutput(process);
var framerate = ConvertToDouble(output);
return(framerate);
}
public MetadataInfo GetVideoMetaDataInfo()
{
var process = FFprobe.GetProcess();
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoMetaData);
var output = GetProcessOutput(process);
var audioCodec = GetAudioCodec();
var metaData = GetMetaDataFromOutput(output, audioCodec);
return(metaData);
}
public async Task <string> GetAudioCodecAsync()
{
var ffprobeProcess = FFprobe.GetProcess();
ffprobeProcess.StartInfo.Arguments = GetStartArgument(FFprobeParameter.AudioCodec);
var codec = await Task.Run(async() =>
{
var output = await GetProcessOutputAsync(ffprobeProcess);
return(output);
});
return(codec);
}
public async Task <string> GetVideoDimensionAsync()
{
var ffprobeProcess = FFprobe.GetProcess();
ffprobeProcess.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoDimension);
var dimension = await Task.Run(async() =>
{
var output = await GetProcessOutputAsync(ffprobeProcess);
return(output);
});
return(dimension);
}
public async Task <TimeSpan> GetVideoDurationAsync()
{
var ffprobeProcess = FFprobe.GetProcess();
ffprobeProcess.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoDuration);
var duration = await Task.Run(async() =>
{
var output = await GetProcessOutputAsync(ffprobeProcess);
var data = ConvertToTimeSpan(output);
return(data);
});
return(duration);
}
public async Task <double> GetVideoFramerateAsync()
{
var ffprobeProcess = FFprobe.GetProcess();
ffprobeProcess.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoFramerate);
var framerate = await Task.Run(async() =>
{
var output = await GetProcessOutputAsync(ffprobeProcess);
var data = ConvertToDouble(output);
return(data);
});
return(framerate);
}
public void Prepare(string path, ContextObject context)
{
var def = new Size(450, 450);
_probe = new FFprobe(path);
var mediaSize = _probe.GetViewSize();
var windowSize = mediaSize == Size.Empty ? def : mediaSize;
windowSize.Width = Math.Max(def.Width, windowSize.Width);
windowSize.Height = Math.Max(def.Height, windowSize.Height);
context.SetPreferredSizeFit(windowSize, 0.6);
}
public async Task <MetadataInfo> GetVideoMetaDataInfoAsync()
{
var process = FFprobe.GetProcess();
process.StartInfo.Arguments = GetStartArgument(FFprobeParameter.VideoMetaData);
var dataTask = Task.Run(async() =>
{
var output = await GetProcessOutputAsync(process);
return(output);
});
var audioCodecTask = GetAudioCodecAsync();
var data = await Task.WhenAll(dataTask, audioCodecTask);
var metaData = GetMetaDataFromOutput(data[0], data[1]);
return(metaData);
}
public bool CanHandle(string path)
{
if (Directory.Exists(path))
{
return(false);
}
var blacklist = new[]
{
// tty
".ans", ".art", ".asc", ".diz", ".ice", ".nfo", ".txt", ".vt",
// ico
".ico", ".icon",
// bmp_pipe
".bmp",
// ass
".ass",
// apng
".png", ".apng",
// asterisk (pcmdec)
".gsm", ".sln"
};
if (blacklist.Contains(Path.GetExtension(path).ToLower()))
{
return(false);
}
var probe = new FFprobe(path);
// check if it is an image. Normal images shows "image2"
// "dpx,jls,jpeg,jpg,ljpg,pam,pbm,pcx,pgm,pgmyuv,png,"
// "ppm,sgi,tga,tif,tiff,jp2,j2c,xwd,sun,ras,rs,im1,im8,im24,"
// "sunras,xbm,xface"
if (probe.GetFormatName().ToLower() == "image2")
{
return(false);
}
return(probe.CanDecode());
}
private MediaVersion ProjectToMediaVersion(FFprobe probeOutput) =>
Optional(probeOutput)
.Filter(json => json?.format != null && json.streams != null)
.ToValidation <BaseError>("Unable to parse ffprobe output")
.ToEither <FFprobe>()
.Match(
json =>
{
var duration = TimeSpan.FromSeconds(double.Parse(json.format.duration));
var version = new MediaVersion {
Name = "Main", Duration = duration
};
FFprobeStream audioStream = json.streams.FirstOrDefault(s => s.codec_type == "audio");
if (audioStream != null)
{
version.AudioCodec = audioStream.codec_name;
}
FFprobeStream videoStream = json.streams.FirstOrDefault(s => s.codec_type == "video");
if (videoStream != null)
{
version.SampleAspectRatio = videoStream.sample_aspect_ratio;
version.DisplayAspectRatio = videoStream.display_aspect_ratio;
version.Width = videoStream.width;
version.Height = videoStream.height;
version.VideoCodec = videoStream.codec_name;
version.VideoProfile = (videoStream.profile ?? string.Empty).ToLowerInvariant();
version.VideoScanKind = ScanKindFromFieldOrder(videoStream.field_order);
}
return(version);
},
_ => new MediaVersion {
Name = "Main"
});
public FFprobeExtractor(FFprobe fFprobe, string filename)
{
FFprobe = fFprobe;
Filename = filename;
}
internal MediaVersion ProjectToMediaVersion(string path, FFprobe probeOutput) =>
Optional(probeOutput)
.Filter(json => json?.format != null && json.streams != null)
.ToValidation <BaseError>("Unable to parse ffprobe output")
.ToEither <FFprobe>()
.Match(
